<template>
  <view v-if="cart.length>0">
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <uni-swipe-action>
      <!-- 商品列表区域 -->
      <block v-for="(goods, i) in cart" :key="i">
        <uni-swipe-action-item>
          <my-goods @radio-change="radioChangeHandler" @num-change="numChangeHandle" :goods="goods" :show-radio="true" :showNumber="true"></my-goods>
          <template v-slot:right>
            <view class="slot-button" @click="removeGoodsByIdHandle(goods.goods_id)"><text class="slot-button-text">删除</text></view>
          </template>
        </uni-swipe-action-item>
      </block>
      <view class="spaceBox"></view>
    </uni-swipe-action>
    <my-settle></my-settle>
  </view>
  <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
import tabbarBadge from '@/mixins/tabbar-badge.js';
import { mapState, mapMutations } from 'vuex';
export default {
  name: 'CartPage',
  mixins: [tabbarBadge],
  components: {},
  data() {
    return {};
  },
  computed: {
    ...mapState('m_cart', ['cart'])
  },
  created() {},
  mounted() {},
  onLoad() {},
  methods: {
    ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
    // 商品的勾选状态发生了变化
    radioChangeHandler(e) {
      console.log(e); // 输出得到的数据 -> {goods_id: 395, goods_state: false}
      this.updateGoodsState(e);
    },
    numChangeHandle(e) {
      this.updateGoodsCount(e);
    },
    removeGoodsByIdHandle(id) {
      console.log(id);
      this.removeGoodsById(id);
    }
  }
};
</script>

<style lang="scss">
  .spaceBox{
    height: 50px;
  }
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.slot-button {
  /* #ifndef APP-NVUE */
  display: flex;
  height: 100%;
  /* #endif */
  flex: 1;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  background-color: #ff5a5f;
}

.slot-button-text {
  color: #ffffff;
  font-size: 14px;
}
.empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
</style>
